非能动压水堆核电厂地坑滤网堵塞风险影响模拟分析  

Analysis for Risk Influence of Reactor Sump Strainer Blocking to National Advanced Passive Pressurized Water Reactor Power Plant

作　　者：王喆[1] 杨未东 刘时贤[1] 胡江[1] 韩向臻[1] WANG Zhe;YANG Wei-dong;LIU Shi-xian;HU Jiang;HAN Xiang-zhen(Nuclear and Radiation Safety Center,Beijing 100082,China)

机构地区：[1]环境保护部核与辐射安全中心,北京100082

出　　处：《核电子学与探测技术》2018年第2期167-174,共8页Nuclear Electronics & Detection Technology

摘　　要：采用Risk Spectrum 1.3版软件建立事件树模型,对小LOCA始发事件下的堆芯损伤事故序列进行校核计算研究,分析得出了地坑滤网堵塞对于我国大型先进压水堆安全的影响。结果表明,虽然我国大型先进压水堆对于地坑滤网在设计上进行了优化改进,但在小LOCA始发事件下发生地坑滤网堵塞对于电站安全的影响仍然很高,地坑滤网堵塞问题仍然不能忽视。Risk Spectrum version 1.3 software is adopted to establish the event tree models of National Advanced Passive Pressurized RPP in the condition of the blockage of the reactor sump strainers in SLOCA initial event,and to analyze the safety influence to the RPP.It is shown in the results that although the sump strainer has been optimized in National Advanced Passive Pressurized RPP,the influence of blockage in sump strainers cannot still be ignored.

关 键 词：地坑滤网 小LOCA 大型先进非能动压水堆 

分 类 号：TL364[核科学技术—核技术及应用]